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Author Topic: Gantt charts don't appear to show dependencies between linked objects  (Read 1643 times)
taoy
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« on: January 04, 2016, 11:41:33 pm »

I'm struggling with the gantt chart feature (InShort, Mac Version - latest).

I've created diagram with three linked objects:

   1. Common Process -> 2. Common Resource -> 3. Logistic Process.

1 is set with an expected time of 2.17 days, 2 has an extimated time of 2 hours 10 minutes, 3 has an estimated time of 28 days.

When I look at the gantt charge, I see 1 spanning just over 2 days. However 2 is present in the list, but there is not dot or bar on the chart, and the same for 3.

If I manually set 1. to completed, then suddenly 2 appears on the charge, connected to the end of 1.

What's going on. Is this a bug, or is there a feature I'm missing to get it to work?

Thanks,
Joe
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shortki
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« Reply #1 on: January 05, 2016, 02:06:32 am »

Switch the application to the planned mode of scheduling and execute all your processes with planned completion dates. Once the planned schedule is formed, it will appear on the Gantt chart. This can also be done automatically by activating the function of analysing the diagram, fulfilling its recommendations and then running it again.
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taoy
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« Reply #2 on: January 05, 2016, 09:14:50 am »

How do the planned completion dates relate to the estimated duration time?
If I've set estimates on the work, shouldn't the competition dates be derived from that data?
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shortki
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« Reply #3 on: January 06, 2016, 07:43:08 pm »

Originally planned completion dates are calculated based on the expected execution time, but then exist independently.

Expected time of execution is an evaluative judgement about the process, and the planned schedule is the best view of the future execution of the process within the current context of the project. The expected time is an assessment of the process itself, and the planned time is an assessment of the same process as part of the overall plan, they often may not be the same, as the planned schedule is a more momentary and dynamic value than the initial expert assessment.

Thus, the expected time of execution is the best estimate of the schedule date, just as the schedule date is the best estimate of the actual date — they are connected in the initial setting, but then independent, handing off the baton of reliability.
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taoy
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« Reply #4 on: January 14, 2016, 08:52:50 pm »

I'm still having trouble getting my head around this.

In the simple case I outlined, I've got a few processes linked together. I've analysed as a project, which recommended that I set estimated duration - which I have. I've then rerun the project analysis to verify that the recommendations have been fulfilled.

However, the follow on processes still don't have an actual or planned schedule (they say "no schedule" in the info panel, and I can't set any date by hand).
They also don't appear on the gantt view.

Please, what am I missing?

Thanks.
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shortki
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« Reply #5 on: January 18, 2016, 02:14:27 pm »

This can happen under certain configurations of diagrams, for example:
a diagram has a circular dependency, when the start of an object depends on the objects that follow it;
or an object has an embedded diagram that has no objects for execution.

Check your diagram for the presence of these cases, and if you are hard pressed to find the cause of the problems, send me the export of the diagram in the form of an ish file — in order that I can help to figure out.
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